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M Firmansyah Idris

@mfirmansyahidris

Mobile developer at MUST Company building fintech, investment, and blockchain applications.

At MUST Company, I build and maintain iOS and Android applications for blockchain, investment, and fintech. I integrate smart contracts, payment gateways, and investment APIs, and work on financial features and real-time transaction performance.

At AgriG8, I build mobile applications for agricultural fertilizer credit and loan workflows. I collaborate with product, business, and design teams to develop features and improve performance and usability.

Previously, I developed mobile banking applications at WeGeeks and trading and foreign-exchange applications at WGS. Across my roles, I’ve also worked on POS, online retail, pet services, and pest services, integrating APIs and backend systems.

Experience

Work history, roles, and key accomplishments

Current

Mobile Developer

Current

MUST Company

Jan 2024 - Present (2 years 9 months)

Build and maintain iOS and Android applications for blockchain, investment, and fintech. Integrate smart contracts, payment gateways, and investment APIs.

iOS Android Blockchain Fintech Smart Contracts Payment Gateways API Integration Performance Optimization

Current

Mobile Developer

Current

AgriG8

Apr 2023 - Present (3 years 6 months)

Build mobile applications for agricultural fertilizer credit and loan application workflows. Collaborate with product, business, and design teams on features and intuitive interfaces.

Mobile Development Agricultural Financing UI UX Performance Optimization Collaboration

Mobile Developer

WeGeeks

Jul 2024 - Sep 2025 (1 year 2 months)

Developed iOS and Android mobile banking applications. Implemented banking interfaces with product owners and banking teams, improving speed and stability with attention to security and compliance.

iOS Android Mobile Banking Security Compliance Performance Optimization

Mobile Developer

WGS

Feb 2022 - Aug 2023 (1 year 6 months)

Developed iOS and Android applications for trading and foreign exchange. Integrated real-time data feeds, trading APIs, and backend systems, optimizing performance for high-volume trading environments.

iOS Android Trading Foreign Exchange Real time Data API Integration Performance Optimization

Senior Software Developer

Wistkey

Mar 2023 - Jul 2023 (4 months)

Worked with React Native, custom applications, enterprise systems, and web solutions. Wrote code using JavaScript, PHP, and TypeScript; integrated services, APIs, and databases.

React Native JavaScript PHP TypeScript API Integration Databases Architecture Code Review Mentorship

Mobile App Developer

Alumagubi

Feb 2020 - Apr 2023 (3 years 2 months)

Developed mobile applications for POS, online retail, pet services, and pest services. Implemented features with cross-functional teams and integrated third-party APIs and backend systems.

Mobile Development POS Retail API Integration Backend UI UX Performance Optimization